Overview

overview

10

Static

static

46c00eb565...d8.exe

windows7-x64

10

46c00eb565...d8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    46c00eb565b5ae7af22f2504236306d8

  • Size

    10.3MB

  • Sample

    220809-zyq1dagbgn

  • MD5

    46c00eb565b5ae7af22f2504236306d8

  • SHA1

    135590d55b60b9292ac0b1324fae0a978f1a78e2

  • SHA256

    eb59ea0ffdff9bc9fda9aae2903f144a274cc65cf7f79d18efb4ce04c8d02f08

  • SHA512

    ff4791230e91311a2dd9b8f041886e86cf054d03543ceaaf3f7d6d3e760307bb3a4f233d735080e08af12e0c097471fbfe66eef3e7135eb7ec99c3abf789fa02

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      46c00eb565b5ae7af22f2504236306d8

    • Size

      10.3MB

    • MD5

      46c00eb565b5ae7af22f2504236306d8

    • SHA1

      135590d55b60b9292ac0b1324fae0a978f1a78e2

    • SHA256

      eb59ea0ffdff9bc9fda9aae2903f144a274cc65cf7f79d18efb4ce04c8d02f08

    • SHA512

      ff4791230e91311a2dd9b8f041886e86cf054d03543ceaaf3f7d6d3e760307bb3a4f233d735080e08af12e0c097471fbfe66eef3e7135eb7ec99c3abf789fa02

    Score
    10/10
    tofseexmrigevasionminerpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks